/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/Nodes/RigVMFunctionReferenceNode.h
The Function Reference Node is a library node which references a library node from a separate function library graph.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(BlueprintType) class URigVMFunctionReferenceNode : public [URigVMLibraryNode](API\Plugins\RigVMDeveloper\RigVMModel\Nodes\URigVMLibraryNode)